四波混頻
維基百科,自由的百科全書
四波混頻是一種互調變現象,歸屬於非線性光學之範疇。此現象描述兩個特定頻率的光波在非線性材料中交會時,有可能產生另外兩個頻率的訊號。這與電子電路系統中的三階交會點相似,可以比作電子電路系統中的互調變扭曲。
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